Why say closed cooling tower is energy saving and environmental protection equipment, more and more users are using this kind of equipment to replace the original equipment (open tower), we can through data analysis and comparison, the two energy data accounting can be obvious. Energy consumption is basically two major aspects, one is water, the other is electricity. Both are energy costs that no cooling tower can escape, unless you leave the equipment on.
First of all, look at the consumption of water. Water is generally consumed in two aspects. One is the flying overflow after spraying, and the other is the evaporation consumption of water.
Let's look at the open cooling tower, the spray water of the tower is basically between two and three percent of the overflow rate, if we according to the daily operation of 10 hours, excluding holidays, 280 days of operation. According to the actual open cooling tower flow of 6000 cubic meters per hour to calculate. 6000*2%*10*280= 336,000 tons of water, and the same closed cooling tower, its spray flying overflow is very small, because after all, the spray work is carried out in the tower, almost can be controlled in a few thousandths, we calculate according to 5 thousandths, the same is 10 hours of work, 280 days a year operation, To achieve the same cooling amplitude is basically 4,500 tons per hour of closed cooling tower is enough, then the calculation results: 4,500 *0.5%*10*280= 63,000 tons, it is not difficult to see, because of the different design structure caused by the waste of spraying water resources, more than 200,000 tons of terror. The bigger the pool of the open tower, the more wasted water, because the evaporation area increases, and the closed cooling tower has no pool, so the consumption here is zero. Judging from the price of a ton of water, just such a equipment, a year to solve the capital of hundreds of thousands of enterprises.
Let's look at the comparison of electric energy, electric energy is not different, because they are all through the same power equipment to operate the equipment, the power of the two is similar, the running time is the same, basically the energy consumption is about the same.
To sum up, for the closed cooling tower energy saving accounting can be strong to open the tower out, and, today are advocating energy conservation and environmental protection, this is the general trend, so the closed cooling tower is more and more favored by the majority of users.
Closed Cooling Tower,Closed Circuit Cross Flow,Closed Loop Cooling Tower,Closed Circuit Cooler Wuxi Ark Fluid Science Technology Co., Ltd. , https://www.fangzhou-arkfluid.com
Recently, because of the continuous writing of oil articles, I often discuss with the friends who are driving around. People often ask me how long it is appropriate to change the oil in the end. The answer to the 4S shop was a change of less than 5,000 kilometers. However, they feel that the frequency is too fast to worry about being pitted. Then Xiao Bian tried to talk to them about my point of view, but found that it was impossible to speak clearly in a few words. So there is the idea of ​​writing such an article.
â— The use of the original engine oil needs to be replaced according to the guidelines in the maintenance manual. After the new vehicle is bought, it is maintained in the 4S shop. The maintenance oil is also the so-called original engine oil. In this case, it is only necessary to follow the cycle of the guidelines in the car care manual to replace the oil.
For example, Japanese cars are mostly 5,000 kilometers or are exchanged for half a year. Most cars in Europe and America are 7,500 kilometers or exchanged for half a year. However, it is recommended that you can advance some maintenance for the first time, because the engine is in the first run-in period before the first warranty, there will be more mechanical debris will appear inside the engine. Doing maintenance early will put them "on" out, absolutely good for the engine without harm.
â— Since the purchase of oil has different replacement cycles according to different types. If the maintenance is to replace the oil that you purchased, you need to distinguish the replacement cycle according to the different types of oil. The previous oil article was written on the following: Engine oil is classified into mineral oil, semi-synthetic oil, and fully synthetic oil. The replacement cycle of these three types of oil is also different.
In general, the replacement period of mineral oil is half a year or 5,000 km. Semi-synthetic oil is exchanged for half a year or 7,500 km. Full synthetic oil is exchanged for half a year or 10,000 km.
◠Irregular driving conditions also need to shorten the replacement cycle. However, whether it is the guidelines in the maintenance manual or the advice of the oil itself, it refers to the replacement cycle in the “general driving†situation. And "general driving" refers to the fact that they often travel on the highway and rarely stop and walk.
Like driving in a city, traffic lights and traffic jams cause the car to idle for a long time or stop and go, often driving within a short distance of less than 8km, driving to work, but it is still not hot enough for the unit car. These are unusual "depleting driving". This "destructive driving" can lead to a large amount of carbon deposition in the engine, which affects the life of the engine.
Like this “destructive drivingâ€, we recommend shortening the oil change mileage by 20-30%. By shortening the action of changing the mileage, the carbon deposit in the engine is cleaned to ensure the normal operation of the engine. Specifically, how much is shortened? Example: Conventional minerals are not changed to 3500-4000 km in advance, semi-synthetic engine oil is advanced to 5500-6000 km in advance; full synthetic motor oil is advanced to 7500-8000 km in advance.
â— Harsh environment should shorten the replacement cycle properly. In addition to “depleting drivingâ€, it will affect the oil replacement cycle, as well as the harsh driving environment. Like dust and gravel roads, the influx of sand and dust will increase the clogging of oil filters and the impurity content of engine oil. In this case, the effective period of the oil is difficult to guarantee on the original basis, so it needs to be replaced in advance.
For example, because of long-distance driving across the climatic zone, or in areas with temperatures below -20°C, drastic climate changes and excessively low temperatures can cause engine oil deterioration, which can significantly reduce the "lifespan" of the oil. In both cases, we also recommend shortening the oil change mileage by 20-30%.
â— Teach you how to judge the oil. The above changes are actually some hard data. However, different environments, different driving habits and needs, and even different oil brands and types make this data have a lot of uncertainty. Here teach you two ways so that you can accurately determine whether the oil is to be replaced.
1, through the oil test strip to observe the small amount of oil through the oil dip dripping on the oil test paper, and then set aside for one night, waiting for the oil on the test paper completely spread. If the edge between the diffused oil oil ring, precipitation ring and diffusion ring is harder, the deterioration of the oil performance is more severe.
2, according to the driving feeling after changing the oil to determine the performance of the oil has a "shelf life", in a certain period of time when you feel that power is "very meat", accelerate anti-slow, this shows that the oil's "shelf life" to go, go Change the oil.
In addition, when you have changed the oil, you feel that there is a clear power boost, which means that the mileage of the last oil change was a bit too long. The next time you can properly advance 500 kilometers, so that one or two times you can find a more accurate mileage change of oil.
Finally, remind everyone that it is best to change the oil filter while replacing the oil. The role of oil filter is to intercept the impurities in the lower oil. If it is not replaced in time, the accumulated impurities will cause plugging. At worst, it will cause insufficient oil pressure, poor lubrication of mechanical components, and severe engine wear.
Summary: Regarding how often the oil is replaced, from the perspective of Xiao Bian, under normal circumstances, it is sufficient to replace it according to the recommended mileage of the oil or maintenance manual. In the harsh driving environment, the habit of regularly observing the oil condition is developed, and if it is found to be deteriorating, it will be promptly replaced.